/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraCommon.h
FNiagaraSystemUpdateContext ( const [FVersionedNiagaraEmitter](API\Plugins\Niagara\FVersionedNiagaraEmitter) & Emitter, bool bReInit, bool bInDestroyOnAdd, bool bInOnlyActive, bool bInDestroySystemSim )